/Engine/Source/Runtime/Landscape/Public/LandscapeUtils.h
Uses the provided arguments to add proper source/destination entries to internal copy requests.
True if the copy has been successfully added.
bool AddWeightmapCopy ( [UTexture2D](API\Runtime\Engine\Engine\UTexture2D) * InDestination, int8 InDestinationChannel, const [ULandscapeComponent](API\Runtime\Landscape\ULandscapeComponent) * InComponent, [ULandscapeLayerInfoObject](API\Runtime\Landscape\ULandscapeLayerInfoObject) * InLayerInfo )